496 CLASS VIII. 
Tenebrio L. (in part). Penultimate joint of tarsi distinct, not 
concealed in preceding. 
Tenebrio Fapr., Upis Fasr., Calcar Dis. (species of Trogosita 
Fasr.) 
Sp. Tenebrio molitor L., PANzER Deutschl. Ins. Heft 43, Tab. 12, Sturm 
Deutschl. Fauna, Ins. u. Tab, 46, Dumérin Cons. gén. s. 1. Ins. Pl. 13, 
fig. 2; the meal-beetle ; above 7’” long, black, brown beneath, elytra 
striated. The larva (meal-worm), well-known in corn-mills, granaries, and 
bread-bakers’ establishments, is elongate, cylindrical, white, and has twelve 
rings besides the head. 
B) Body elongate. Thorax sub-quadrate, elongate. Antenne 
clavate or thick at the apex, fusiform. 
Toxicum Latr. Antenne with four terminal joints forming a 
club, last sub-orbicular, rest transverse. Tibie simple. 
Add genus Boros HErRsst. 
Chiroscelis Lam., Latr. Antenne with last joint globose, 
thick. Tibiz of anterior feet dilated, digitate. Thorax elongate, 
posteriorly constricted, narrower than the base of elytra. 
Sp. Chiroscelis bifenestratus, LAMAROK Annal. du Muséum I11. 1804, p. 262, 
263, Pl. 22, fig. 2; Guerin Iconogr., Ins. Pl. 30, fig. 5. 
Sarrotrium TuuiG., Fase. (Orthocerus Latr.). Antenne fusi- 
form, thick, pilose. 
Sp. Sarrotriwm muticum, Hispa mutica L., PANZER Deutschl. Ins. Heft 1, 
Tab. 8, Dumérit Cons. gén. s. 1. Ins. Pl. 13, fig. 5; found in sand-pits. 
Corticus Dé. Sp. Sarrotrium celtis GERM. 
C) Body oval. Thorax transverse, trapezoidal, anteriorly nar- 
rower, posteriorly of the breadth of elytra. 
Opatrum Fasr. (exclusive of many species). Clypeus emargi- 
nate, including labrum. Antenne shorter than thorax. Thorax 
of the breath of elytra, marginate. 
Sp. Opatrum sabulosum Fasr., Silpha sabulosa L., Panzer Deutsch. Ins. 
Heft 3, Tab. 2, Sturm Deutschl. Fauna, Ins. u. Tab. 40, Cuv. R. Ani. 
éd. ill., Ins. Pl. 49, fig. 21;—Opalium tibiale Fasr. (Microzoon D£s.), 
Panzer Deutschl. Ins. Heft 43, Tab. 10. 
1 Of this species, as also of Sarrotriwm muticum, ScHIoDTE has communicated an 
anatomical description in Kréyrr’s Natuurk, Tidskr. tv. 1843, pp. 204—211. 
